OLD INSTRUCTION: Go to the given coordinates and look South. You should see a number and some writing. Let the number be A and the average number of letters in a word be B.
EDIT 9.11.2022
The old starting point info isn't there anymore. Use these instructions to find the cache. The hiding place hasn't moved.
Go to the posted coordinates and look around. There is a little park for children. Let the number of pillars of a railing that leads towards the playground be A and the number of lamp-posts INSIDE the green fences (in the playground) be B.
The cache is hidden in:
N 60° 13.(A*B*45+10)'
E 024° 48.(A*B*49)'